[FFmpeg-devel] [PATCH] HE-AAC v1 decoder try 4
Wed Feb 17 00:19:12 CET 2010
On Tue, Feb 16, 2010 at 6:01 PM, Alex Converse <alex.converse at gmail.com>wrote:
> *All the computation time is spent in ff_sbr_apply() and it's
> children. If it isn't called from ff_sbr_apply() making it 100% faster
> isn't going to buy us anything.
> *Right now the synthesis filterbank is written on top on an MDCT. With
> appropriate SIMD functions it may make sense to move it to an FFT.
> Right now the MDCT version is much faster.
> *SIMD placeholder patch not included
try 4.1 :)
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